19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Lesser General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2.1 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Lesser General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Lesser General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free Software 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Useful variables and functions from SDL_cursor.c */ 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_mouse.h" 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern int SDL_CursorInit(Uint32 flags); 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_CursorPaletteChanged(void); 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_DrawCursor(SDL_Surface *screen); 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_DrawCursorNoLock(SDL_Surface *screen); 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_EraseCursor(SDL_Surface *screen); 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_EraseCursorNoLock(SDL_Surface *screen); 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_UpdateCursor(SDL_Surface *screen); 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_ResetCursor(void); 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_MoveCursor(int x, int y); 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_CursorQuit(void); 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define INLINE_MOUSELOCK 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifdef INLINE_MOUSELOCK 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Inline (macro) versions of the mouse lock functions */ 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_mutex.h" 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern SDL_mutex *SDL_cursorlock; 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define SDL_LockCursor() \ 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall do { \ 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_cursorlock ) { \ 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_mutexP(SDL_cursorlock); \ 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } \ 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } while ( 0 ) 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define SDL_UnlockCursor() \ 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall do { \ 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_cursorlock ) { \ 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_mutexV(SDL_cursorlock); \ 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } \ 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } while ( 0 ) 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#else 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_LockCursor(void); 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_UnlockCursor(void); 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* INLINE_MOUSELOCK */ 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Only for low-level mouse cursor drawing */ 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern SDL_Cursor *SDL_cursor; 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern void SDL_MouseRect(SDL_Rect *area); 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* State definitions for the SDL cursor */ 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CURSOR_VISIBLE 0x01 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CURSOR_USINGSW 0x10 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define SHOULD_DRAWCURSOR(X) \ 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (((X)&(CURSOR_VISIBLE|CURSOR_USINGSW)) == \ 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (CURSOR_VISIBLE|CURSOR_USINGSW)) 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallextern volatile int SDL_cursorstate; 74